package com.xunqi.blog.web.admin;

import com.xunqi.blog.pojo.User;
import com.xunqi.blog.service.UserService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.annotation.Resource;
import javax.servlet.http.HttpSession;

@Controller
@RequestMapping(value = "/admin")
public class LoginController {

    @Resource
    private UserService userService;

    @GetMapping
    public String loginPage() {
        return "admin/login";
    }

    @PostMapping("/login")
    public String login(@RequestParam String username, @RequestParam String password, HttpSession session, RedirectAttributes attributes) {
        User user = userService.checkUser(username,password);
        if (user != null) {
            session.setAttribute("user",user);
            return "admin/index";
        } else {
            attributes.addFlashAttribute("message","用户名或密码错误！");
            return "redirect:/admin";
        }
    }


    @GetMapping(value = "/logout")
    public String logout(HttpSession session) {
        session.removeAttribute("user");
        return "redirect:/admin";
    }

}
